674光谱学与光谱分析第22卷

外）用不同消解方法所得到的结果都能很好地吻合。大豆样品含有较大量的油脂和蛋白质，因而较难消解。用湿法消解

Tab.1

ElementAlBBaCaCdCoCrCuFeK

Anal.line/nm396.152249.678493.409396.847228.802228.616283.563324.754238.204769.896

D.L./mgL-1

0.02

0.040.0030.0030.0020.0030.0020.0040.00150.2

需加入较多的混合酸并费时较长，整个消解过程需40h左右。因此，后面的实验均采用干灰化法处理样品。

ElementLiMgMnNaNiPPbSrTiZn

Anal.line/mgL-1

670.784

280.270257.610588.995341.476213.618220.353421.522336.121213.856

D.L./mgL-10.05

0.0030.00060.30.0070.10.030.00060.0010.005

（D.L.）Analyticalspectrallinesusedanddetectionlimitsobtained

Tab.2

ElementBBaCa!

CuFeK!Mg!MnNaNiP!SrTiZn

36.8

ResultsobtainedwithdifferentdigestionmethodsforsampleChangBai94-92

（HNO3-H2SO4!=7）

Average/gg

32.3

4.041.8011.182.115.71.9018.79757.95.063.01.03

16.0

33.0

-1

-1

（HNO3-HClO4!=7）

Average/gg

32.0

4.021.8811.484.518.71.9520.417408.34.953.61

（%）RSD169.22.910.48.413.84.45.37.55.35.93.5

（%）RSD1310.71.213.510.17.12.87.615.81310.111.913.217.2

Dr ashing（!=8）

（%） RSDAverage/gg-1

22.74.211.8211.986.315.11.8819.77935.85.083.490.9834.5

2.67.65.020.68.71.43.112.66.54.114.72.717.17.2

g-1!Concentrationinmg

Tab.3

Elem.BBaCaCuFeK!

LiMgMnNaNiPSrTiZn

22.712.0（1500）4411224.4010.3139.812.61.9810.1455112119.611.0（10.0）recom.

（GBWo85o3）（! Determinationresultsof11soybeansandawheatreferencestandardgg-1）

found201.464854.2035.41.684.650213.510.60.5012932.301.0821.8

188019.77935.8050803.490.9834.5ChangBai

94-92234.21182011.986.315.1

ChangBai94-47332.4716138.5284.717.326.4208220.11329.5453613.120.5633.2

ChangBai94-41461.7713499.1787.116.78.8202918.318610.552082.400.3334.0

ChangBai95-21302.4619828.3570.015.88.3216924.312612.949833.621.7936.3

Jilin35311.909.4080.616.913.118.821410.22.840.3333.9

Jilin39491.9814.082.716.218.319.639912.23.080.5639.0

ChangNongChangNongChangNongChangNongGreenBean

45891

452.72188010.382.114.115.0224522.540111.751213.910.1939.7

372.6318857.7382.314.511.6228523.320110.848984.100.1731.4

342.6216937.1082.215.25.3234222.528412.249753.240.0833.1

422.33191112.898.518.112.0243222.73811.656333.900.6439.6

492.8022038.8393.215.814.4215620.410210.456715.120.0637.9

（GBW08503）Wheat

14501526

20432141

57195725

g-1；Referencevaluesinthebrackets!Concentrationinmg